History
Math
Science
Geography
Brain Teasers
100

Who painted the Mona Lisa?


Leonardo Da Vinci

100

If a car is traveling at 60 mph, how long would it take to go 240 miles?

4 hours

100

What's heavier: a kilogram of steel or a kilogram of feathers?

Neither, they weigh the same

100

What is the only continent that is also considered a country?

Australia

100
Between 1 and 100, how many multiples of 7 are odd numbers?
7
200

Who was the formidable conqueror who founded the vast Mongol Empire?

Genghis Khan

200

Which is greater? 2/3 or 3/5?

2/3

200

How many bones are in the human body?

206 bones

200

What is the only continent with land in all four hemispheres?

Africa

200

You have 20 pairs of shoes, but there is only room in your closet for eight shoes. How many pairs of shoes do you have to get rid of?

16 pairs of shoes

300

What country gave the US the Statue of Liberty?

France

300

If a square's perimeter is 36 inches, what is its area?

81 inches squared

300

Which metal remains liquid at room temperature?

Mercurcy

300

What two countries share the longest international border?

The US and Canada

300

How many sides does a circle have?

2, Inside and Out

400

Who death led to World War 1 starting?

Franz Ferdinand

400

What number comes next: 1, 11, 21, 1211, 111221, ...?

312211

400

Which weighs more: hot air or cold air?

Cold air
400

What is the smallest country in the world by land area?

Vatican City

400

A farmer notices that every day for the past 10 days, the number of pigeons in his field has doubled. There are 1,024 pigeons in the field today, and there were two pigeons there the first day. How many pigeons were there yesterday?

512 pigeons

500

What cultural movement began in Florence, Italy?

The Renaissance

500
Take the derivative of: f(t) = t*sin(pi*t)

 f'(t) = sin(pi*t) + pi*t*cos(pi*t)

500

you have a sealed container of water. If you freeze it, does its mass increase, decrease, or stay the same?

It stays the same

500

The line that divides the Earth into the Eastern Hemisphere and the Western Hemisphere is called the...?

Prime Meridian

500

A man builds a house with all four walls facing south. A bear walks by. What color is the bear?

White, he is at the North Pole

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